In the user info, it would be nice to have plots marking for each question a little question mark and for each answer a little exclamation mark in the time-upvote plane, so that one can see at a single glance when someone has posted good questions or answers.

I suggest to provide a graph that shows for each question and answer a single mark ? or !, at the point in time (x-axis) where the question was asked or the answer was supplied, and with the net number of upvotes as height (y-axis).
I'd like see all questions and answers in a single plot, with just one ? or ! mark in the time x votecount plane to summarize its value.
This gives quite different and much more useful information.

If these marks are clickable and lead to the corresponding title and a link, this would be really useful!

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My request is quite different from what the old reputation graph provided. See the edited question.
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Arnold NeumaierMar 22 '12 at 11:50

You could get this mugrated to MSO if you wanted a quick answer...
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ManishearthMar 23 '12 at 2:40

@dmckee: This is far too detailed. i want to see all questions and answers in a single plot, with just one ? or ! mark in the time x votecount plane to summarize its value. - Yes, migrating would be fine, but I don't know how to do that.
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Arnold NeumaierMar 23 '12 at 11:00